Adjustment strap



FIG. 1 is a perspective view of the top, front and left side of a adjustment strap showing our new design;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof,

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a perspective view of the usage thereof.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a adjustment strap, as shown and described. 